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Finding the Fourth Proportional to 623,873.57, 860,948.11 and 337,393.66

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Solution

The fourth proportional to 623,873.57, 860,948.11 and 337,393.66 is: 465,604.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,873.57 : 860,948.11 = 337,393.66 : x
  2. Step 2: Convert to fraction form
    623,873.57/860,948.11 = 337,393.66/x
  3. Step 3: Cross multiply
    623,873.57x = 860,948.11 × 337,393.66
  4. Step 4: Simplify right side
    623,873.57x = 290,478,433,902.98
  5. Step 5: Solve for x
    x = 290,478,433,902.98/623,873.57
  6. Step 6: Final answer
    x = 465,604.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.